An amphiphilic substance inhibits the mollusk capacity to filter out phytoplankton cells from water

Ostroumov, S.A.

Автор: Ostroumov S.A.
Журнал: Biology Bulletin
Том: 28
Номер: 1
Год издания: 2001
Издательство: M A I K Nauka - Interperiodica
Местоположение издательства: Russian Federation
Первая страница: 95
Последняя страница: 102
DOI: 10.1023/A:1026671024000
Аннотация: http://istina.msu.ru/publications/article/1065313/ Indexed in Web of Science, and Scopus. Ostroumov S.A. An amphiphilic substance inhibits the mollusk capacity to filter out phytoplankton cells from water. - Biology Bulletin, 2001, Volume 28, Number 1, p. 95-102.FULL TEXT FREE:http://ru.scribd.com/doc/63444377/; http://www.scribd.com/doc/63444377/; www.springerlink.com/index/l665628020163255.pdf; The effect of synthetic anionic surfactant sodium dodecylsulfate (SDS, 4 mg/l) on the kinetics of water filtration by the bivalve mollusks, mussels Mytilus edulis was studied. A suspension of cells of phytoplanktonic algae Isochrysis galbana was added to the vessel with the mussels, and their filtration activity was measured by counting the concentration of the algae cells in the experimental vessels. Algae concentration was measured every 30 min for an hour and a half. The inhibiting effect on the mollusk filtration rate (FR) was qualitatively described. After the first 30 min filtration at 4 mg/l initial SDS concentration, the cell density was 322% of the control. The inhibiting effect was observed later as well. Due to FR inhibition in the vessels with the above specified initial SDS concentration, the algae cell density was 6.4 and 14.7 times that of the control after 1 and 1.5 h, respectively. Thus, SDS can decrease the natural capacity of aquatic ecosystems for self-purification and disturb other aspects of ecosystem functioning through inhibiting the filtration activity of mussels. The obtained data are discussed in the context of environment and hydrosphere protection from pollution. [MAIK Nauka/Interperiodica distributed by Springer Science+Business Media LLC. ISSN 1062-3590 (Print) 1608-3059 (Online)]. DOI 10.1023/A:1026671024000. (Translated from Izv Akad Nauk Ser Biol. 2001 Jan-Feb; (1):108-116. PMID: 11236572 [PubMed - indexed for MEDLINE]) ** It is the first paper in which it was clearly proved that the synthetic chemical (exemplified by the surfactant sodium dodecylsulfate, SDS), when it pollutes water, produces a dangerous effect on both marine mussels ( Mytilus edulis ) and phytoplankton. SDS decreases water filtration rate by the mussels, and the normal control of abundance of phytoplankton by the marine mussels, the control which is associated with the filtration of water. ** Title: An amphiphilic substance inhibits the mollusk capacity to filter out phytoplankton cells from water. Author: Ostroumov S.A. Source: BIOLOGY BULLETIN, 2001, Volume: 28, Issue: 1, Pages: 95-102, DOI: 10.1023/A:1026671024000; Published: JAN-FEB 2001; Full text: http://www.scribd.com/doc/63444377/; www.springerlink.com/index/l665628020163255.pdf; Translated from Izv Akad Nauk Ser Biol. 2001 Jan-Feb; (1):108-116. PMID: 11236572 [PubMed - indexed for MEDLINE) ** The reference in a traditional format: Ostroumov S.A. An amphiphilic substance inhibits the mollusk capacity to filter out phytoplankton cells from water. - Biology Bulletin, 2001, Volume 28, Number 1, p. 95-102. This journal, ‘Biology Bulletin’: ISSN 1062-3590 (Print) 1608-3059 (Online);
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